Hi Billy, When I run the latest linux-5.14 on QEMU with the Witherspoon config, I end up with a kernel panic[1]. I think there is an ordering problem in the aspeed_adc driver. See [2,3]. The code registers with devm a pointer to the prescaler object which is not yet created. I think it is possible that the struct value contains uninitialized data as well. Can you please take a look at this? 1. https://gist.github.com/williamspatrick/4a0f0d1e0ca6f54816461a8df09e6cb8 2. https://github.com/openbmc/linux/blob/dev-5.14/drivers/iio/adc/aspeed_adc.c#L513 3. https://github.com/openbmc/linux/blob/dev-5.14/drivers/iio/adc/aspeed_adc.c#L527 -- Patrick Williams